CVE-2026-15781
HIGH 8IBM DataPower Gateway 10.5.0.0 through 10.5.0.22, 10.6.1 through 10.6.6, 10.6.0.0 through 10.6.0.10, and 11.0.0.0 through 11.0.0.2 could allow a remote authenticated attacker to execute arbitrary code due to a buffer overflow.
Severe if exploited (CVSS 8), but no known exploitation and low modeled probability. Patch on a normal cadence.
Exploitation likelihood
0.4%chance of exploitation in 30 days · 31st percentile
Impact if exploited
8CVSS 3.1 · HIGH
- ConfidentialityHigh
- IntegrityHigh
- AvailabilityHigh
What an attacker needs
- ✓Access: Reachable over the network — no local access needed
- ⚠Privileges: Requires an admin / high-privilege account
- ✓User interaction: No user interaction needed
- ⚠Complexity: Needs a race window or specific setup
✓ lowers the bar for an attacker · ⚠ raises it
Proof of concept & exploit code
- github-search Search GitHub for public PoC repos
Test against your own equipment
curl -s https://vulnpedia.com/cve/CVE-2026-15781/poc.jsonMachine-readable PoC index for this CVE (for automation).Listed for defensive triage, patch verification, and authorized testing on systems you own. Machine-readable: /cve/CVE-2026-15781/poc.json
Affected
Vendors Ibm
Products Datapower Gateway 10.6cd Datapower Gateway 10.6.0 Datapower Gateway 11.0.0 Datapower Gateway 10.5.0 Datapower Gateway
Weakness (CWE)
- CWE-121: Stack-based buffer overflow
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
Known Affected Software Configurations
| Vendor | Product | Version range |
|---|---|---|
| Ibm | Datapower Gateway | ≥ 10.5.0.0 and < 10.5.0.23 |
| Ibm | Datapower Gateway | ≥ 10.6.0.0 and < 10.6.0.11 |
| Ibm | Datapower Gateway | ≥ 10.6.1.0 and < 11.0.0.3 |
| Ibm | Datapower Gateway | ≥ 11.0.0.0 and < 11.0.0.3 |
All CVSS metrics
- HIGH 8 v3.1 · CNA Primary
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H - HIGH 8 v3.1 · NVD Secondary
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H